Factory 4.1 RCT Exhaust Silencer 19-26 Honda CRF 450 X - FMF 041587

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap (041587) is engineered for riders demanding top-level performance and advanced durability. This slip-on exhaust features FMF Resonance Chamber Technology™ both internally and externally, with a compact design ideal for mass centralisation and reduced crash susceptibility. Manufactured entirely in Southern California from aerospace-grade titanium, the blue anodised muffler is complemented by a lightweight carbon end cap, delivering exceptional power gains and significant weight savings.

Features

• Closed course use only


• Advanced FMF Resonance Chamber Technology™ for optimised performance


• Blue anodised titanium muffler with carbon fibre end cap


• Massive power gains throughout the RPM range


• Significant weight reduction for improved handling


• New Rapid Tuning System (RTS) for fast adjustments


• Proprietary alloy-grade titanium construction made to FMF standards


• Centralised mass for better manoeuvrability


• Screen insert spark arrestor included


• Optional 94dB quiet insert available (sold separately)


• Made in the USA

Specifications

• Item ID: 041587


• Type: Slip-On


• Configuration: Single


• Construction: Titanium


• Finish: Blue Anodised


• Midpipe: Stainless Steel


• Endcap: Carbon fibre


• Spark Arrestor: Screen insert (included)


• Carb Warning: No


• Quiet Insert: 94dB insert (sold separately)


• Weight: 6.3 lbs

Vehicle Fitment

Honda

• CRF450X (2019–2026)